168103700

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{211}}^1\times {\mathrm{257}}^1$

素因数の和:513

約数の個数: 72

約数和(自身を含む): 379809024

約数和(自身を除く): 211705324

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 124, 155, 211, 257, 310, 422, 514, 620, 775, 844, 1028, 1055, 1285, 1550, 2110, 2570, 3100, 4220, 5140, 5275, 6425, 6541, 7967, 10550, 12850, 13082, 15934, 21100, 25700, 26164, 31868, 32705, 39835, 54227, 65410, 79670, 108454, 130820, 159340, 163525, 199175, 216908, 271135, 327050, 398350, 542270, 654100, 796700, 1084540, 1355675, 1681037, 2711350, 3362074, 5422700, 6724148, 8405185, 16810370, 33620740, 42025925, 84051850, 168103700]

約数ペア:

[(1, 168103700), (2, 84051850), (4, 42025925), (5, 33620740), (10, 16810370), (20, 8405185), (25, 6724148), (31, 5422700), (50, 3362074), (62, 2711350), (100, 1681037), (124, 1355675), (155, 1084540), (211, 796700), (257, 654100), (310, 542270), (422, 398350), (514, 327050), (620, 271135), (775, 216908), (844, 199175), (1028, 163525), (1055, 159340), (1285, 130820), (1550, 108454), (2110, 79670), (2570, 65410), (3100, 54227), (4220, 39835), (5140, 32705), (5275, 31868), (6425, 26164), (6541, 25700), (7967, 21100), (10550, 15934), (12850, 13082)]